Given the vectors -B-A-N U2 = = 2 1 = -plain why u₁, U2, U3 is a orthogonal basis for R³. Let L be the line spanned from u₁. Find the projection of u = (−3, 2, 2) on line L. write v = (1, 9, -1) as linear combination of the basis u₁, U2, U3.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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a) Given the vectors
--0--0--8
explain why u₁, U2, U3 is a orthogonal basis for R³.
b) Let L be the line spanned from u₁. Find the projection of u = (–3, 2,
22) on line L.
c) write v
=
=
(1, 9, −1) as linear combination of the basis u₁, U2, U3.
d) Let W be the vector space spanned from u₁ and u₂. write y = (11, −8,
0) as y + z, where ŷ is in W and z is orthogonal to W.
=
Transcribed Image Text:a) Given the vectors --0--0--8 explain why u₁, U2, U3 is a orthogonal basis for R³. b) Let L be the line spanned from u₁. Find the projection of u = (–3, 2, 22) on line L. c) write v = = (1, 9, −1) as linear combination of the basis u₁, U2, U3. d) Let W be the vector space spanned from u₁ and u₂. write y = (11, −8, 0) as y + z, where ŷ is in W and z is orthogonal to W. =
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